Sheep brain (right sagittal section)

  1. Arbor vitae (of cerebellum)

  2. Corpus callosum

  3. Fornix

  4. Optic chiasma

  5. Hypothalamus

  6. Mammillary body

  7. Lateral ventricle

  8. Thalamus

  9. Pineal body

10. Tectum

11. Cerebral aqueduct

12. Pons

13. Medulla oblongata

14. Spinal cord

15. Anterior commissure

16. Corpora quadrigemina